Endokrynologia Polska,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 19, 2024
Introduction:
Research
on
obesity,
which
results
from
excessive
food
consumption
and
sedentary
lifestyle,
has
focused
increasing
energy
expenditure.
Recently,
muscle
tissue
is
being
investigated
as
an
endocrine
active
organ,
secreting
molecules
called
myokines.
Multiple
studies
have
been
performed
to
assess
myokine
levels
in
various
disorders,
including
polycystic
ovary
syndrome
(PCOS)
metabolic
syndrome.
Irisin
Meteorin-like
protein
(Metrnl)
are
particles
which,
among
others,
suggested
play
important
role
adipose
browning
improving
insulin
sensitivity.
Material
methods:
The
study
population
consisted
of
31
women
with
PCOS
18
healthy
individuals.
was
diagnosed
based
revised
2003
Rotterdam
criteria.
anthropometrical,
hormonal,
biochemical
parameters
were
assessed,
oral
glucose
tolerance
test
body
composition
dual
X-ray
absorptiometry.
Serum
irisin
Metrnl
measured
by
enzyme-linked
immunosorbent
assay
(ELISA).
Results:
There
no
differences
between
the
control
groups
according
age,
mass
index
(BMI),
waist-to-hip
ratio
(WHR),
fasting
glucose,
homeostasis
model
assessment
resistance
(HOMA-IR),
or
composition.
Assessment
concentrations
revealed
significant
women.
level
negatively
correlated
BMI,
fat
mass,
concentrations.
No
relationship
found.
Conclusions:
Although
seems
be
a
promising
biomarker,
inconsistent
research
limits
its
value
clinical
use
treatment
obesity.
not
affected
population,
but
it
might
connected
severity
disturbances.
Frontiers in Endocrinology,
Journal Year:
2024,
Volume and Issue:
15
Published: March 6, 2024
The
prevalence
of
osteoporosis
has
been
on
the
rise
globally.
With
ageing
populations,
research
sought
therapeutic
solutions
in
novel
areas.
One
such
area
is
that
adipokines.
Current
literature
points
to
an
important
role
for
these
chemical
mediators
relation
bone
metabolism.
Well-established
adipokines
have
broadly
reported
upon.
These
include
adiponectin
and
leptin.
However,
other
as
visfatin,
nesfatin-1,
meteorin-like
protein
(Metrnl),
apelin
lipocalin-2
are
starting
be
addressed
pre-clinically
clinically.
Adipokines
hold
pro-inflammatory
anti-inflammatory
properties
influence
pathophysiology
various
diseases.
Omentin-1
vaspin,
two
adipokines,
share
cardioprotective
effects
play
essential
roles
Studies
bone-protective
omentin-1,
whilst
others
report
negative
associations
between
omentin-1
mineral
density.
Lipocalin-2
linked
poor
microarchitecture
mice
even
suggested
mediate
development
from
prolonged
disuse.
Nesfatin-1,
anorexigenic
adipokine,
known
preserve
Animal
studies
demonstrated
nesfatin-1
treatment
limits
loss
increases
strength,
suggesting
exogenous
use
a
potential
osteopenic
disorders.
Pre-clinical
shown
adipokine
metabolism,
mediated
by
enhancement
osteoblast
genesis
inhibition
programmed
cell
death.
Although
many
investigations
conflicting
findings,
sufficient
supports
notion
significant
metabolism
bone.
This
review
aims
at
highlighting
while
also
discussing
their
treating
osteoporosis.
Molecular Medicine,
Journal Year:
2025,
Volume and Issue:
31(1)
Published: March 13, 2025
Abstract
Background
Meteorin-like
hormone
(Metrnl)
is
prominently
expressed
in
activated
M2
macrophages
and
has
demonstrated
potential
therapeutic
effects
a
range
of
cardiovascular
diseases
by
modulating
inflammatory
responses.
Nevertheless,
its
precise
role
the
underlying
mechanisms
myocardial
ischemia/reperfusion
injury
(MI/RI)
are
not
fully
understood.
This
study
examined
whether
Metrnl
can
mitigate
MI/RI
through
AMPK-mediated
polarization
macrophages.
Methods
In
vivo,
adeno-associated
virus
9
containing
F4/80
promoter
(AAV9-F4/80)
was
utilized
to
overexpress
mouse
cardiac
before
surgery.
vitro,
bone
marrow-derived
(BMDMs)
were
treated
with
recombinant
protein
Metrnl,
human
cardiomyocyte
cell
line
AC16
subjected
hypoxia/reoxygenation
(H/R)
after
co-culture
supernatant
these
Cardiac
function
assessed
via
echocardiography,
H&E
staining,
Evans
blue-TTC
staining.
Inflammatory
infiltration
evaluated
RT-qPCR
ELISA,
apoptosis
Western
blotting
TUNEL
macrophage
immunofluorescence
staining
flow
cytometry.
Results
overexpression
significantly
attenuated
MI/RI,
as
evidenced
reduced
infarct
size,
enhancement
function,
diminished
infiltration,
decreased
apoptosis.
Furthermore,
promoted
M1
polarization.
BMDMs
shifted
towards
polarization,
characterized
expression
cytokines
(IL-1β,
MCP-1,
TNF-α)
increased
anti-inflammatory
cytokine
IL-10.
Additionally,
from
Metrnl-treated
protected
cells
under
H/R
conditions,
BAX
BCL-2
expression.
However,
inhibited
AMPK
inhibitor
Compound
C.
Conclusions
alleviates
activating
attenuate
response
highlights
identifies
it
promising
target
for
treatment
ischemic
heart
disease.
Life Metabolism,
Journal Year:
2024,
Volume and Issue:
3(3)
Published: Feb. 29, 2024
Skeletal
muscle
plays
a
vital
role
in
the
regulation
of
systemic
metabolism,
partly
through
its
secretion
endocrine
factors
which
are
collectively
known
as
myokines.
Altered
myokine
levels
associated
with
metabolic
diseases,
such
type
2
diabetes
(T2D).
The
significance
interorgan
crosstalk,
particularly
myokines,
has
emerged
fundamental
aspect
nutrient
and
energy
homeostasis.
However,
comprehensive
understanding
biology
setting
obesity
T2D
remains
major
challenge.
In
this
review,
we
discuss
biological
functions
key
myokines
that
have
been
extensively
studied
during
past
two
decades,
namely
interleukin
6
(IL-6),
irisin,
myostatin
(MSTN),
growth
differentiation
factor
11
(GDF11),
fibroblast
21
(FGF21),
apelin,
brain-derived
neurotrophic
(BDNF),
meteorin-like
(Metrnl),
secreted
protein
acidic
rich
cysteine
(SPARC),
β-aminoisobutyric
acid
(BAIBA),
Musclin,
Dickkopf
3
(Dkk3).
Related
to
these,
detail
exercise
expression
together
their
contributions
physiology
disease.
Despite
significant
advancements
research,
many
remain
challenging
measure
accurately
investigate
thoroughly.
Hence,
new
research
techniques
detection
methods
should
be
developed
rigorously
tested.
Therefore,
developing
perspective
on
is
crucial,
will
likely
offer
insights
into
pathophysiological
mechanisms
underlying
may
reveal
novel
targets
for
therapeutic
interventions.
Biomedicines,
Journal Year:
2024,
Volume and Issue:
12(9), P. 2129 - 2129
Published: Sept. 19, 2024
Adipose
tissue
was
previously
regarded
as
a
dormant
organ
for
lipid
storage
until
the
identification
of
adiponectin
and
leptin
in
early
1990s.
This
revelation
unveiled
dynamic
endocrine
function
adipose
tissue,
which
has
expanded
further.
emerged
recent
decades
multifunctional
that
plays
significant
role
energy
metabolism
homeostasis.
Currently,
it
is
evident
primarily
performs
its
by
secreting
diverse
array
signaling
molecules
known
adipokines.
Apart
from
their
pivotal
expenditure
regulation,
these
adipokines
exert
influence
over
multitude
biological
processes,
including
but
not
limited
to
inflammation,
thermoregulation,
immune
response,
vascular
function,
insulin
sensitivity.
Adipokines
are
regulating
numerous
processes
within
facilitating
communication
between
various
organs,
brain,
gut,
pancreas,
endothelial
cells,
liver,
muscle,
more.
Dysregulated
have
been
implicated
several
metabolic
diseases,
like
obesity
diabetes,
well
cardiovascular
diseases.
In
this
article,
we
attempted
describe
significance
developing
diseases
highlight
crosstalk
tissues
other
organs.
Aging Cell,
Journal Year:
2023,
Volume and Issue:
22(10)
Published: Aug. 16, 2023
Sarcopenia
is
characterized
of
muscle
mass
loss
and
functional
decline
in
elder
individuals
which
severely
affects
human
physical
activity,
metabolic
homeostasis,
life
quality.
Physical
exercise
considered
effective
combating
atrophy
sarcopenia,
yet
it
not
feasible
to
elders
with
limited
mobility.
PGC-1α4,
a
short
isoform
PGC-1α,
strongly
induced
under
resistance
training,
promotes
hypertrophy.
In
the
present
study,
we
showed
that
transcriptional
levels
nuclear
localization
PGC1α4
was
reduced
during
aging,
accompanied
dystrophic
morphology,
gene
programs.
We
thus
designed
NLS-PGC1α4
ectopically
express
myotubes
enhance
maintain
its
location
nucleus.
Indeed,
overexpression
increased
sizes
myotubes.
addition,
by
utilizing
AAV-NLS-PGC1α4
delivery
into
gastrocnemius
muscle,
found
could
improve
sarcopenia
grip
strength,
weights,
fiber
size
molecular
phenotypes,
alleviate
age-associated
adiposity,
insulin
hepatic
steatosis,
altered
signatures.
Mechanistically,
demonstrated
NLS-PGC-1α4
improved
signaling
enhanced
glucose
uptake
skeletal
muscle.
Besides,
via
RNA-seq
analysis,
identified
myokines
IGF1
METRNL
as
potential
targets
possibly
mediate
improvement
adipose
tissue
functionality
systemic
energy
metabolism
aged
mice.
Moreover,
negative
correlation
between
age
Together,
our
results
revealed
improves
physiology
systematic
homeostasis
aging
suggested
potent
therapeutic
strategy
against
aging-associated
diseases.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(8), P. e29742 - e29742
Published: April 1, 2024
ObjectiveNumerous
studies
have
reported
the
beneficial
effects
of
exercise
and
use
herbal
supplements
in
improving
type
2
diabetes
insulin
resistance.
However,
there
are
still
many
unanswered
questions
about
cold
hot
water,
exercise,
on
meteorine-like
protein
(METRNL),
which
is
considered
one
key
factors
influencing
resistance
improvement
this
condition.
Hence,
current
study
aimed
to
address
these
knowledge
gaps
investigate
8
weeks
warm
cold-water
swimming
with
cinnamon
consumption
serum
levels
METRNL,
histone
deacetylase-5
(HDAC5),
diabetic
male
rats.MethodsFor
purpose,
70
rats
were
randomly
divided
into
seven
groups
(10
each
group)
(1Saeidi
A.
Hackney
A.C.
Tayebi
S.M.
Ahmadian
M.
Zouhal
H.
Diabetes,
Insulin
Resistance,
Fetuin-B
Exercise
Training.Annals
Applied
Sport
Science.
2019;
7:
1-2Crossref
Scopus
(8)
Google
Scholar)
Healthy
control
(HC),
(2Tayebi
Ghanbari-Niaki
Saeidi
Training,
Neuregulin
4
Obesity.Ann
Appl
Sci.
2017;
5:
(9)
Diabetic
control,
(3Saeidi
Khosravi
Razi
O.
Sellami
Abderrahman
A.B.
et
al.Obesity,
Fat
Mass,
Osteopontin
Training.International
Journal
Physiology.
8:
177-179Google
training
water
(temperature
5
°C),
(4Rao
Kondapally
Seshasai
S.
Kaptoge
Thompson
Di
Angelantonio
E.
Gao
P.
Sarwar
N.
al.Diabetes
mellitus,
fasting
glucose,
risk
cause-specific
death.The
New
England
journal
medicine.
2011;
364:
829-841Crossref
PubMed
(0)
at
5
°C
+
(200
mg/kg
body
weight),
(5Petersmann
Müller-Wieland
D.
Müller
U.A.
Landgraf
R.
Nauck
Freckmann
G.
al.Definition,
classification
diagnosis
mellitus.Experimental
Clinical
Endocrinology
&
Diabetes.
127:
S1-S7Crossref
36-35
(6Kolahdouzi
Baghadam
Kani-Golzar
F.A.
Jabbour
Ayadi
al.Progressive
circuit
improves
inflammatory
biomarkers
obese
men.Physiology
behavior.
205:
15-21Crossref
(43)
°C)
cinnamon,
(7Dezhkam
Rezaeian
Effect
Six
Weeks
Aerobic
Training
Meteorin
Like
Factor
Response
Resistance
Index
Overweight
Obese
Young
Women.Journal
Health
Studies
2021;
28-35Google
only.ResultsThe
present
revealed
a
significant
increase
METRNL
concentration
group
(p<0.05).
no
changes
observed
HOMA-IR
across
different
(p>0.05).
Additionally,
noteworthy
findings
included
reduction
HDAC5
both
group,
as
well
decrease
blood
sugar
(FBS)
all
compared
HC
(p<0.05).ConclusionsThe
results
demonstrate
that
combination
exercises
extract
led
notable
increases
concentration.
reductions
FBS
levels.
These
highlight
potential
effectiveness
benefits
an
approach
improve
diabetes-related
indices.
Lipids in Health and Disease,
Journal Year:
2024,
Volume and Issue:
23(1)
Published: Nov. 13, 2024
Abstract
Coronary
artery
disease
has
a
high
mortality
rate
and
is
striking
public
health
concern,
affecting
substantial
portion
of
the
global
population.
On
early
onset
myocardial
ischemia,
thrombolytic
therapy
coronary
revascularization
could
promptly
restore
bloodstream
nutrient
supply
to
ischemic
tissue,
efficiently
preserving
less
severely
injured
myocardium.
However,
abrupt
re-establishment
blood
flow
triggers
significant
discharge
previously
accumulated
oxidative
substances
inflammatory
cytokines,
leading
further
harm
referred
as
ischemia/reperfusion
(I/R)
injury.
Diabetes
significantly
raises
vulnerability
heart
I/R
injury
due
disrupted
glucose
lipid
processing,
impaired
insulin
sensitivity
metabolic
signaling,
increased
responses.
Numerous
studies
have
indicated
that
adipokines
are
crucial
in
etiology
pathogenesis
obesity,
diabetes,
hyperlipidemia,
hypertension,
disease.
Adipokines
such
adiponectin,
adipsin,
visfatin,
chemerin,
omentin,
apelin,
which
possess
protective
properties
against
activity
resistance,
been
shown
confer
protection
conditions
atherosclerosis,
hypertrophy,
injury,
diabetic
complications.
other
hand,
leptin
resistin,
known
for
their
pro-inflammatory
characteristics,
linked
elevated
cardiac
deposition,
fibrosis.
Meteorin-like
(metrnl)
exhibits
opposite
effects
various
pathological
conditions.
data
on
I/R,
especially
still
incomplete
controversial.
This
review
focuses
recent
research
regarding
categorization
function
muscle,
identification
different
signaling
pathways
involved
under
conditions,
aiming
facilitate
exploration
therapeutic
strategies
diabetes.
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(2), P. 862 - 862
Published: Jan. 20, 2025
Vaccines
represent
an
essential
tool
for
the
prevention
of
infectious
diseases.
Upon
administration,
a
complex
interaction
occurs
between
vaccine
formulation
and
recipient’s
immune
system,
ultimately
resulting
in
protection
against
disease.
Significant
variability
exists
individual
population
responses
to
vaccination,
these
differences
remain
focus
ongoing
research.
Notably,
well-documented
factors,
such
as
age,
gender,
genetic
predisposition,
influence
responses.
In
contrast,
effects
overweight
obesity
have
not
been
thoroughly
investigated.
The
evidence
indicates
that
high
body
mass
index
(BMI)
constitutes
significant
risk
factor
infections
general,
with
adipose
tissue
playing
crucial
role
modulating
response.
Furthermore,
suboptimal
levels
seroconversion
observed
among
individuals
obesity.
This
review
provides
plausible
examination
immunity
conferred
by
various
vaccines
status,
offering
comprehensive
analysis
mechanisms
enhance
vaccination
efficiency.
European Journal of Clinical Investigation,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 20, 2025
Abstract
Background
and
Aims
Meteorin‐like
protein
(Metrnl)
has
been
recently
suggested
as
a
new
adipokine
with
protective
cardiovascular
effects.
Its
circulating
levels
in
patients
seem
to
be
associated
heart
failure
(HF),
although
contradictory
results.
Our
aim
was
ascertain
whether
this
could
estimate
the
prognosis
of
HF
de
novo
(DNHF)
patients.
Methods
Metrnl
plasma
400
hospitalized
DNHF
(55%
reduced
ejection
fraction,
17.3%
mid‐range
27.8%
preserved
fraction)
were
measured
by
enzyme‐linked
immunosorbent
assay.
We
performed
both
sex‐pooled
sex‐specific
analyses.
A
12‐month
follow‐up
conducted,
during
which
clinical
outcomes
such
all‐cause
mortality,
death
re‐hospitalization
due
collected.
Results
After
follow
up,
higher
an
increased
risk
for
after
adjusting
sex,
age,
LVEF,
hypertension,
diabetes,
ischemic
aetiology,
chronic
renal
failure,
NT‐proBNP
troponin
(hazard
ratio
[HR]
=
1.003,
95%
confidence
interval
[CI]
1.000–1.005;
p
‐value<.05
HR
1.004,
CI
1.001–1.007,
‐value<.05,
respectively).
In
line
this,
had
number
occurrences
events.
Regarding
associations
parameters
implicated
development
progression
HF,
we
found
that
positively
correlated
age
(
r
.322,
‐value<.0001),
.281,
‐value<.0001)
dysfunction
markers
urea
creatinine
.353,
women
than
men
(473.7
[385.9–594.0]
pg/mL
vs.
428.7
[349.1–561.3]
pg/mL,
‐value<.006).
Finally,
concerning
subtype
fraction.
Conclusion
Patients
have
worse
DNHF.
results
reinforce
association
outcomes.
Audiology and Neurotology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 30
Published: Jan. 24, 2025
Introduction:
Neurotrophic
factors
are
widely
known
for
their
protective
effect
on
spiral
ganglion
neurons
(SGN)
and
the
protection
of
these
is
great
importance
to
optimize
Cochlear
Implants,
which
directly
stimulate
SGN
in
deaf
patients.
Previous
studies
have
identified
Cometin
-
also
as
Meteroin-like
be
neuroprotective
beneficial
metabolic
disorders.
The
aim
our
study
was
investigate
effects
different
concentrations
recombinant
human
(hCometin)
regard
neuroprotection
neurite
outgrowth
evaluate
its
guidance
potential
using
a
chamber.
Methods:
Human
initially
tested
two
separate
dosing
experiments:
5,
10,
15
µg/ml
(medium
dose
group)
25,
50
(high
group).
hCometin
added
dissociated
neonatal
murine
SGN.
number,
morphology,
length
treated
with
were
compared
untreated
(negative
control,
NC)
brain-derived
neurotrophic
factor
(50
ng/ml)
(positive
PC)
cells.
Subsequently,
guidance,
10
delivered
via
osmotic
pumps
explants
(SGE)
cultured
chamber
experimentally
mimic
scala
tympani
Rosenthal’s
canal.
amount
pump-released
measured
by
Enzyme-linked
Immunosorbent
Assay
growth
quantified
Cometin-free
NC.
Results:
All
medium
group
resulted
significant
neuronal
protection,
whereas
high
(25
µg/ml)
neurotoxic.
doses
significantly
increased
number
monopolar
NC,
physiological
bipolar
morphology
an
even
greater
extent
than
BDNF.
For
length,
5
had
greatest
effect,
comparable
BDNF-PC.
osmotic-pump
based
delivery
SGE
no
or
adverse
extent,
orientation
outgrowing
neurites
culture
set
up
used.
Conclusion:
A
concentration
protects
from
degeneration
increases
neurites,
favourable
view
induced
towards
cochlear
electrode
arrays
future
optimisation
nerve-electrode-interface.
failed
detect
guided
pump-based
drug
release,
may
due
experimental
up,
could
improved
studies.